Sponge ball



FIG. 1 is top plan view of a first embodiment of a sponge ball design;

FIG. 2 is a top side perspective view thereof;

FIG. 3 is a bottom side perspective view thereof;

FIG. 4 is a top plan view of a second embodiment of a sponge balldesign;

FIG. 5 is a top side perspective view thereof;

FIG. 6 is a bottom side perspective view thereof;

FIG. 7 is a top plan view of a third embodiment of a sponge ball design;

FIG. 8 is a top side perspective view thereof;

FIG. 9 is a bottom side perspective view thereof;

FIG. 10 is a top plan view of a fourth embodiment of a sponge balldesign;

FIG. 11 is a top side perspective view thereof; and,

FIG. 12 is a bottom side perspective view thereof.

The ornamental design for a sponge ball, as shown and described.